/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.wenlei.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 解决中文乱码
 * @author wenlei
 */
@WebFilter(urlPatterns = "/*")
public class EncodingFilter implements Filter {
    @Override
    public void init( FilterConfig filterConfig ) throws ServletException {

    }

    @Override
    public void doFilter( ServletRequest request, ServletResponse response, FilterChain chain ) throws IOException, ServletException {
        HttpServletRequest httpRequest = (HttpServletRequest) request;
        HttpServletResponse httpResponse = (HttpServletResponse) response;
        httpRequest.setCharacterEncoding( "UTF-8" );
        httpResponse.setCharacterEncoding( "UTF-8" );
        response.setContentType( "text/html;charset=UTF-8" );
        chain.doFilter( httpRequest, httpResponse );
    }

    @Override
    public void destroy() {

    }
}
